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path: root/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
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Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c')
-rw-r--r--drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
index a94bf28f858a..2f09a37306e2 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
@@ -13,7 +13,8 @@
#include <linux/pm_runtime.h>
#include <linux/scatterlist.h>
#include <crypto/internal/hash.h>
-#include <crypto/sha.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
#include <crypto/md5.h>
#include "sun8i-ce.h"
@@ -262,13 +263,13 @@ int sun8i_ce_hash_run(struct crypto_engine *engine, void *breq)
u32 common;
u64 byte_count;
__le32 *bf;
- void *buf;
+ void *buf = NULL;
int j, i, todo;
int nbw = 0;
u64 fill, min_fill;
__be64 *bebits;
__le64 *lebits;
- void *result;
+ void *result = NULL;
u64 bs;
int digestsize;
dma_addr_t addr_res, addr_pad;
@@ -285,13 +286,17 @@ int sun8i_ce_hash_run(struct crypto_engine *engine, void *breq)
/* the padding could be up to two block. */
buf = kzalloc(bs * 2, GFP_KERNEL | GFP_DMA);
- if (!buf)
- return -ENOMEM;
+ if (!buf) {
+ err = -ENOMEM;
+ goto theend;
+ }
bf = (__le32 *)buf;
result = kzalloc(digestsize, GFP_KERNEL | GFP_DMA);
- if (!result)
- return -ENOMEM;
+ if (!result) {
+ err = -ENOMEM;
+ goto theend;
+ }
flow = rctx->flow;
chan = &ce->chanlist[flow];
@@ -403,11 +408,11 @@ int sun8i_ce_hash_run(struct crypto_engine *engine, void *breq)
dma_unmap_sg(ce->dev, areq->src, nr_sgs, DMA_TO_DEVICE);
dma_unmap_single(ce->dev, addr_res, digestsize, DMA_FROM_DEVICE);
- kfree(buf);
memcpy(areq->result, result, algt->alg.hash.halg.digestsize);
- kfree(result);
theend:
+ kfree(buf);
+ kfree(result);
crypto_finalize_hash_request(engine, breq, err);
return 0;
}